Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ra3 draw
5 Rb1 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Kb5 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Kh8 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Ka3 loss in 1 half-moves